3 test_description='Test automatic use of a pager.'
8 echo >&2 cleanup failed
12 test_expect_success 'set up terminal for tests' '
13 rm -f stdout_is_tty ||
20 test_have_prereq PERL &&
21 "$PERL_PATH" "$TEST_DIRECTORY"/t7006/test-terminal.perl \
28 if test -e stdout_is_tty
30 test_terminal() { "$@"; }
32 elif test -e test_terminal_works
35 "$PERL_PATH" "$TEST_DIRECTORY"/t7006/test-terminal.perl "$@"
39 say no usable terminal, so skipping some tests
42 test_expect_success 'setup' '
43 unset GIT_PAGER GIT_PAGER_IN_USE;
44 test_might_fail git config --unset core.pager &&
46 PAGER="cat >paginated.out" &&
52 test_expect_success TTY 'some commands use a pager' '
53 rm -f paginated.out ||
56 test_terminal git log &&
60 test_expect_success TTY 'some commands do not use a pager' '
61 rm -f paginated.out ||
64 test_terminal git rev-list HEAD &&
65 ! test -e paginated.out
68 test_expect_success 'no pager when stdout is a pipe' '
69 rm -f paginated.out ||
73 ! test -e paginated.out
76 test_expect_success 'no pager when stdout is a regular file' '
77 rm -f paginated.out ||
81 ! test -e paginated.out
84 test_expect_success TTY 'git --paginate rev-list uses a pager' '
85 rm -f paginated.out ||
88 test_terminal git --paginate rev-list HEAD &&
92 test_expect_success 'no pager even with --paginate when stdout is a pipe' '
93 rm -f file paginated.out ||
96 git --paginate log | cat &&
97 ! test -e paginated.out
100 test_expect_success TTY 'no pager with --no-pager' '
101 rm -f paginated.out ||
104 test_terminal git --no-pager log &&
105 ! test -e paginated.out
108 # A colored commit log will begin with an appropriate ANSI escape
109 # for the first color; the text "commit" comes later.
112 ! expr "$firstline" : "[a-zA-Z]" >/dev/null
115 test_expect_success 'tests can detect color' '
116 rm -f colorful.log colorless.log ||
119 git log --no-color >colorless.log &&
120 git log --color >colorful.log &&
121 ! colorful colorless.log &&
122 colorful colorful.log
125 test_expect_success 'no color when stdout is a regular file' '
126 rm -f colorless.log &&
127 git config color.ui auto ||
130 git log >colorless.log &&
131 ! colorful colorless.log
134 test_expect_success TTY 'color when writing to a pager' '
135 rm -f paginated.out &&
136 git config color.ui auto ||
142 test_terminal git log
144 colorful paginated.out
147 test_expect_success 'color when writing to a file intended for a pager' '
148 rm -f colorful.log &&
149 git config color.ui auto ||
154 GIT_PAGER_IN_USE=true &&
155 export TERM GIT_PAGER_IN_USE &&
156 git log >colorful.log
158 colorful colorful.log
161 test_expect_success 'determine default pager' '
162 unset PAGER GIT_PAGER;
163 test_might_fail git config --unset core.pager ||
166 less=$(git var GIT_PAGER) &&
170 if expr "$less" : '[a-z][a-z]*$' >/dev/null && test_have_prereq TTY
172 test_set_prereq SIMPLEPAGER
175 # Use this helper to make it easy for the caller of your
176 # terminal-using function to specify whether it should fail.
182 # $test_expectation "$cmd - behaves well" "
189 # then your test can be used like this:
191 # your_test expect_(success|failure) [test_must_fail] 'git foo'
194 test_expectation="test_$1"
196 if test "$1" = test_must_fail
198 full_command="test_must_fail test_terminal "
201 full_command="test_terminal "
204 full_command="$full_command $1"
207 parse_args expect_success 'git log'
208 $test_expectation SIMPLEPAGER "$cmd - default pager is used by default" "
209 unset PAGER GIT_PAGER;
210 test_might_fail git config --unset core.pager &&
211 rm -f default_pager_used ||
214 cat >\$less <<-\EOF &&
216 wc >default_pager_used
224 test -e default_pager_used
227 parse_args expect_success 'git log'
228 $test_expectation TTY "$cmd - PAGER overrides default pager" "
230 test_might_fail git config --unset core.pager &&
234 PAGER='wc >PAGER_used' &&
240 parse_args expect_success 'git log'
241 $test_expectation TTY "$cmd - core.pager overrides PAGER" "
243 rm -f core.pager_used ||
248 git config core.pager 'wc >core.pager_used' &&
250 test -e core.pager_used
253 parse_args expect_success 'git log'
254 $test_expectation TTY "$cmd - GIT_PAGER overrides core.pager" "
255 rm -f GIT_PAGER_used ||
258 git config core.pager wc &&
259 GIT_PAGER='wc >GIT_PAGER_used' &&
262 test -e GIT_PAGER_used